Images of winter, such as snow and frost. Images in this section are free to use under Creative Commons licence CC BY 4.0.
851 × 315
Images that are cropped exactly to the size of the cover photo for Facebook timelines.
2048 × 2048
Large square suitable as wallpapers for mobile devices such as tablets and computer screens.
512 × 512
Images in square, which can be used as profile pictures or avatars, as well as for illustrative purposes on websites and blogs.